Dont you have to whack the floor for the Richmond to fit?? My friend is using a Gear Vendors OD... check out this build here
http://www.forabodiesonly.com/mopar/showthread.php?t=10987&page=11
This is what I will use on my next build.........
http://www.bangshift.com/blog/Bangshift-Approved-The-McLeod-M-800-5-Speed-Transmission.html